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SnS + Ca(OH)2 🔥→ CaS + Sn(OH)2

The reaction of tin(II) sulfide and calcium hydroxide yields calcium sulfide and tin(II) hydroxide. This reaction is an acid-base reaction and is classified as follows:

Table of contents
  1. 1Reaction data
  2. 2Thermodynamic changes
  3. 3References
  4. 4Related categories

Reaction data

Chemical equation

General equation

Oxidation state of each atom

Reactants

Chemical formulaNameCoefficientTypeType in general
equation
SnSTin(II) sulfide1
Brønsted acid
Salt of weak base
Ca(OH)2Calcium hydroxide1
Brønsted base
Strong base

Products

Chemical formulaNameCoefficientTypeType in general
equation
CaSCalcium sulfide1
Conjugate acid
Salt of strong base
Sn(OH)2Tin(II) hydroxide1
Conjugate base
Weak base

Thermodynamic changes

Changes in standard condition

Reaction of tin(II) sulfide and calcium hydroxide
ΔrG27.8 kJ/mol
K0.13 × 10−4
pK4.87
SnSCrystalline solid + Ca(OH)2Crystalline solid
🔥
CaSCrystalline solid + Sn(OH)2Crystalline solidprecipitated
Standard enthalpy
of reaction
ΔrH°
kJ · mol−1
Standard
Gibbs energy
of reaction
ΔrG°
kJ · mol−1
Standard entropy
of reaction
ΔrS°
J · K−1 · mol−1
Standard heat
capacity of reaction
at constant pressure
ΔrCp°
J · K−1 · mol−1
per 1 mol of
Equation
4327.851
per 1 mol of
4327.851
per 1 mol of
4327.851
per 1 mol of
4327.851
per 1 mol of
4327.851

Changes in aqueous solution

Reaction of tin(II) sulfide and calcium hydroxide
ΔrG27.8 kJ/mol
K0.13 × 10−4
pK4.87
SnSCrystalline solid + Ca(OH)2Crystalline solid
🔥
CaSCrystalline solid + Sn(OH)2Crystalline solidprecipitated
Standard enthalpy
of reaction
ΔrH°
kJ · mol−1
Standard
Gibbs energy
of reaction
ΔrG°
kJ · mol−1
Standard entropy
of reaction
ΔrS°
J · K−1 · mol−1
Standard heat
capacity of reaction
at constant pressure
ΔrCp°
J · K−1 · mol−1
per 1 mol of
Equation
4327.851
per 1 mol of
4327.851
per 1 mol of
4327.851
per 1 mol of
4327.851
per 1 mol of
4327.851

Thermodynamic data of reactants

Chemical formulaStandard enthalpy
of formation
ΔfH°
kJ · mol−1
Standard Gibbs
energy of
formation
ΔfG°
kJ · mol−1
Standard
molar entropy
S°
J · K−1 · mol−1
Standard molar
heat capacity at
constant pressure
Cp°
J · K−1 · mol−1
SnS (cr)-100[1]-98.3[1]77.0[1]49.25[1]
SnS (g)119.2[1]
Ca(OH)2 (cr)-986.09[1]-898.49[1]83.39[1]87.49[1]
Ca(OH)2 (g)-544[1]
Ca(OH)2 (ai)-1002.82[1]-868.07[1]-74.5[1]
Ca(OH)2 (cr)
2 hydrate
-1218.4[1]
* (cr):Crystalline solid, (g):Gas, (ai):Ionized aqueous solution

Thermodynamic data of products

Chemical formulaStandard enthalpy
of formation
ΔfH°
kJ · mol−1
Standard Gibbs
energy of
formation
ΔfG°
kJ · mol−1
Standard
molar entropy
S°
J · K−1 · mol−1
Standard molar
heat capacity at
constant pressure
Cp°
J · K−1 · mol−1
CaS (cr)-482.4[1]-477.4[1]56.5[1]47.40[1]
CaS (g)
Sn(OH)2 (cr)
precipitated
-561.1[1]-491.6[1]155[1]
* (cr):Crystalline solid, (g):Gas

References

List of references

  1. 1